Ramkumar, P. N., Navarro, S. M., Haeberle, H. S., Jang, A. S., Frangiamore, S. J., Farrow, L. D., . . . Williams, R. J. (2019). Return-to-Play after Concussion in American versus European Professional Soccer Players: A Comparative Short-Term Analysis of Performance and Longevity. Orthop J Sports Med.

Ramkumar, Prem N., Sergio M. Navarro, Heather S. Haeberle, Albert S. Jang, Salvatore Joseph Frangiamore, Lutul D. Farrow, Mark S. Schickendantz, and Riley J. Williams. "Return-to-Play After Concussion in American Versus European Professional Soccer Players: A Comparative Short-Term Analysis of Performance and Longevity." Orthop J Sports Med 2019.

Ramkumar, Prem N., et al. "Return-to-Play After Concussion in American Versus European Professional Soccer Players: A Comparative Short-Term Analysis of Performance and Longevity." Orthop J Sports Med 2019.